ArticleNucleic acids research2022
Chromatin transitions triggered by LH density as epigenetic regulators of the genome.
Article in Nucleic acids research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 13 citations in OpenAlex.
- Investigating Phase Separation in Genome Folding via Multiscale Computational Modeling.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Direct measurement of sub-kilobase chromatin structure reveals that linker histone H1 broadly compacts chromatin, with differential impact amongst epigenetic states.bioRxiv : the preprint server for biology · 2025Article
- Nucleosome Linker Length and Distribution as Major Players in Epigenetic Regulation: Insights from Cryo-Electron Microscopy and Modeling of Retina Cell Maturation.DNA and cell biology · 2025Review
- Regulation of Genome Architecture in Huntington's Disease.Biochemistry · 2025Article
- Phase Space Invaders' podcast episode with Tamar Schlick: a trajectory from mathematics to biology.Biophysical reviews · 2025Article
- Regulation of chromatin architecture by protein binding: insights from molecular modeling.Biophysical reviews · 2024Review
- Article
- Regulation of Chromatin Architecture by Transcription Factor Binding.bioRxiv : the preprint server for biology · 2023Article
- Genome modeling: From chromatin fibers to genes.Current opinion in structural biology · 2023Review
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
Motivated by experiments connecting linker histone (LH) deficiency to lymphoma progression and retinal disorders, we study by mesoscale chromatin modeling how LH density (ρ) induces gradual, as well sudden, changes in chromatin architecture and how the process depends on DNA linker length, LH binding dynamics and binding mode, salt concentration, tail modifications, and combinations of ρ and linker DNA length. We show that ρ tightly regulates the overall shape and compaction of the fiber, triggering a transition from an irregular disordered state to a compact and ordered structure. Such a structural transition, resembling B to A compartment transition connected with lymphoma of B cells, appears to occur around ρ = 0.5. The associated mechanism is DNA stem formation by LH binding, which is optimal when the lengths of the DNA linker and LH C-terminal domain are similar. Chromatin internal and external parameters are key regulators, promoting or impeding the transition. The LH density thus emerges as a critical tunable variable in controlling cellular functions through structural transitions of the genome.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.